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How to improve pH of acid wastewater without alkali

Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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How to improve pH of acid wastewater without alkali
Removal of COD in Purified Terephthalic Acid (PTA ...
Removal of COD in Purified Terephthalic Acid (PTA ...

1/9/2016, · Major portion of PTA wastewater comprises of benzoic, acid, (BA), ph,thalic acid, (PA),, p-toluic acid, (p-Tol), 4-carboxybenzaldehyde (4-CBA), and terephthalic, acid, (TA) with minor concentrations of the p-xylene, methyl acetate and 4-formylbenzoic, acid, (Kleerebezem et al., 1999).

US O 03 pH 013 021
US O 03 pH 013 021

In the area of municipal and industrial ,wastewater, treatment extreme pH conditions may result in the following harmful effects: • Microorganisms in biological purification processes are sensitive to ,acidic, and ,alkaline, conditions. Therefore, the pH of the sewage is supposed to be in the neutral range of pH 7.

High production of CH 4 and H 2 by reducing PET waste ...
High production of CH 4 and H 2 by reducing PET waste ...

4/2/2016, · In recent years, the worldwide use of polyethylene terephthalate (PET) has increased exponentially. PET ,wastewater, contains ethylene glycol (EG) …

Polyacrylamide for chemical fiber
Polyacrylamide for chemical fiber

In the chemical fiber production process, chemical fiber production plants will produce various waste water, such as PET waste water, PTA waste water, cotton pulp black liquor, viscose waste water, etc. Chemical fiber wastewater has complex components, often containing strong, acids,, strong, alkalis,, cellulose, hemicellulose, alcohols, pectins, etc.

Waste-Activated Sludge Fermentation for Polyacrylamide ...
Waste-Activated Sludge Fermentation for Polyacrylamide ...

6/7/2015, · Polyacrylamide (PAM), a linear water-soluble polymeric compound with a high molecular weight, is widely used in ,wastewater, treatment processes 1,2, …

Occurrence of carcinogenic illudane glycosides in drinking ...
Occurrence of carcinogenic illudane glycosides in drinking ...

This complies with the fact that ,PTA,’s half-life in ,alkaline, water is shorter than under neutral-acid conditions, e.g. the half-life of ,PTA, at 8 °C is approx. 100 days at pH 6, 30 days at pH 7 but only 3 days at pH 8 , indicating ,PTA, is not sufficiently stable to reach deep groundwater aquifers as travel times from soil surface to deep aquifers are 25–100 years .

CN101503353A - Technique for purifying crude terephthalic ...
CN101503353A - Technique for purifying crude terephthalic ...

The invention discloses a technique for purifying crude terephthalic acid recovered from alkali weight-reduction wastewater; the crude terephthalic acid which is recovered from alkali...

Biohydrogen production from purified terephthalic acid ...
Biohydrogen production from purified terephthalic acid ...

Background: Purified, terephthalic acid, (PTA) wastewater from a petrochemical complex was utilized as a fuel in the anode of a microbial fuel cell (MFC).

The Ives Equipment Process Engineering & Control Blog ...
The Ives Equipment Process Engineering & Control Blog ...

Purified Terephthalic Acid (PTA) is the preferred raw material for the most common plastic products of daily life. The PTA production process generates various waste …

Waste-Activated Sludge Fermentation for Polyacrylamide ...
Waste-Activated Sludge Fermentation for Polyacrylamide ...

6/7/2015, · Polyacrylamide (PAM), a linear water-soluble polymeric compound with a high molecular weight, is widely used in ,wastewater, treatment processes 1,2, …

US O 03 pH 013 021
US O 03 pH 013 021

In the area of municipal and industrial ,wastewater, treatment extreme pH conditions may result in the following harmful effects: • Microorganisms in biological purification processes are sensitive to ,acidic, and ,alkaline, conditions. Therefore, the pH of the sewage is supposed to be in the neutral range of pH 7.

CN101503353A - Technique for purifying crude terephthalic ...
CN101503353A - Technique for purifying crude terephthalic ...

The invention discloses a technique for purifying crude terephthalic acid recovered from alkali weight-reduction ,wastewater,; the crude terephthalic acid which is recovered from alkali weight-reduction ,wastewater, is dissolved in the water under the condition of excessive sodium hudroxide, the pH value is maintained to be 12-14, and the obtained water solution is added with anion active agent or swelling …

On-line pH/ORP Measurement - SPD Sales Limited
On-line pH/ORP Measurement - SPD Sales Limited

pH is one of the most important analysis parameters measured through out the water, ,wastewater, and many process indus-tries. In the biological treatment of wastewaters, for example, the ,acidic, or ,alkaline, condition of the mixed liquor has an essential influence on the activity of the microorganisms; i.e., continuous on-line pH control is required.

High production of CH 4 and H 2 by reducing PET waste ...
High production of CH 4 and H 2 by reducing PET waste ...

4/2/2016, · PET ,wastewater, contains ethylene glycol (EG) and terephthalic acid (TPA). In this study, we present a unique method for producing combustible gases like CH4 and H2 from PET ,wastewater, by ...

On-line pH/ORP Measurement - SPD Sales Limited
On-line pH/ORP Measurement - SPD Sales Limited

pH is one of the most important analysis parameters measured through out the water, ,wastewater, and many process indus-tries. In the biological treatment of wastewaters, for example, the ,acidic, or ,alkaline, condition of the mixed liquor has an essential influence on the activity of the microorganisms; i.e., continuous on-line pH control is required.

pH / ORP Measurement
pH / ORP Measurement

sured throughout the water, ,wastewater, and many process industries. In the biological treatment of wastewaters, for example, the ,acidic, or ,alkaline, condition of the ,waste water, has an essential influ-ence on the activity of the microorganisms; contin-uous online pH control is required. Precise and reli-able systems for pH monitoring and control are

Online pH/ORP Measurement Measuring · Monitoring · Controlling
Online pH/ORP Measurement Measuring · Monitoring · Controlling

pH is one of the most important analysis parameters measured throughout the water, ,wastewater, and many process indus-tries. In the biological treatment of wastewaters, for example, the ,acidic, or ,alkaline, condition of the mixed liquor has an essential influence on the activity of the microorganisms; i.e., continuous online pH control is required.

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